J. Weber
Technical University of Dortmund
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Featured researches published by J. Weber.
IEEE Transactions on Nuclear Science | 2007
J. Weber; R. Klingenberg
Silicon pad-detectors fabricated from diffused oxygenated silicon were irradiated with reactor neutrons with fluences between 1 times 10<sup>14</sup> n<sub>eq</sub>/cm<sup>2</sup> and 1 times 10<sup>15</sup> n<sub>eq</sub>/cm<sup>2</sup>. The transient current technique was used to measure the trapping probability for holes and electrons. The results obtained support the model of a linear increase with fluence. Also the temperature dependence of the trapping time constant for electrons is investigated. This temperature dependence was found independent on the irradiated fluence.
Nuclear Instruments & Methods in Physics Research Section A-accelerators Spectrometers Detectors and Associated Equipment | 1992
H. Akbari; G. Alverson; H. Anderhub; J. Bao; F. Behner; J. Behrens; F. Beissel; B.L. Betev; A. Biland; A. Böhm; C. Camps; C.Y. Chien; V. Commichau; K. Dieters; A. Donat; L. Djambazov; P. H. Fisher; W. Freibel; P. Göttlicher; M. Haensli; K. Hangarter; A. Hasan; R. Heller; U. Herten; H. Hofer; M. Glaubman; H. Jung; I. Leedom; R. Leiste; H. Liebmann
Abstract The L3 vertex detector is comprised of the time expansion chamber (TEC), the Z -chamber and a layer of plastic scintillating fibers. The TEC has shown a high spatial resolution and an excellent multi-track reconstruction capability at LEP luminosity. The Z -chamber provides information about the z -coordinates of the tracks and the fibers are used for calibrating the drift velocity with a high precision. A description of the L3 vertex detector, its readout and data acquisition and its performance during the 1990 LEP running period is presented in this paper.
ieee nuclear science symposium | 2006
J. Weber; R. Klingenberg
Silicon pad-detectors fabricated from oxygenated silicon were irradiated with reactor neutrons with fluences between 1 middot 10<sup>14</sup> n<sub>eq</sub>/cm<sup>2</sup> and 4 middot 10<sup>15</sup> n<sub>eq</sub>/cm<sup>2</sup>. The transient current technique was used to measure the trapping probability for holes and electrons. The measured trapping probabilities scale linearly with the fluence.
